Basuki Tjahaja Purnama (born 29 June 1966) is an Indonesian businessman, politician and former governor of Jakarta.
He is also known by his Hakka Chinese nickname Ahok (Chinese: ??).
Ahok was a legislator in the Indonesian People's Representative Council (DPR) and Regent of East Belitung.
He was elected to the House of Representatives for the 2009–2014 term but resigned in 2012 to run for the deputy governorship of Jakarta, to which he was elected.
In November 2014, he became governor of Jakarta, as his predecessor Joko Widodo had become president.
During the 2017 Jakarta gubernatorial election, Ahok was struck by allegations of blasphemy in October 2016 and criticism of his policies on forced evictions.
He later lost the election to former Education Minister Anies Baswedan and was then imprisoned for blasphemy.Ahok was the second governor of Jakarta with Chinese ancestry and also the city's second Christian governor, following Henk Ngantung, who was governor from 1964–65.